/* ================================================================
 * subnetmask-tool.css — 子网掩码计算器工具专用样式
 * 抽离自 subnetmask.css L424-L460（NetWork 段），独立维护
 * 应用容器：<form class="tool-form NetWorkWrap">
 * 通用辅助类（.w60/.w50/.tr/.bor-a1s/.bb-blue/.bg-blue02 等）已在 modern.css
 * 日期：2026-05-11
 * ================================================================ */

/* 主容器 */
.NetWorkWrap .MainHead {
    font-family: 'Microsoft YaHei';
    font-size: 16px;
    font-weight: normal;
    color: var(--primary-color, #6366f1);
    padding: 5px 10px;
    margin: 0 0 8px 0;
}
.NetWorkWrap .NetWork-main01 { width: 100%; box-sizing: border-box; }
.NetWorkWrap .MainCent { padding: 10px 0; }

/* 每行输入组 */
.NetWorkWrap .MainCent .MCentlist {
    padding-left: 10px;
    padding-right: 10px;
    min-height: 32px;
    margin-bottom: 6px;
    overflow: hidden;
}
.NetWorkWrap .MainCent .MCentlist label,
.NetWorkWrap .MainCent .MCentlist input {
    display: inline-block;
    float: left;
    line-height: 24px;
    vertical-align: middle;
}
.NetWorkWrap .MainCent .MCentlist label {
    line-height: 26px;
    color: #56688a;
    padding-right: 6px;
}
.NetWorkWrap .MainCent .MCentlist input { margin-left: 10px; }

/* IP 输入框 */
.NetWorkWrap .MainCent .MCentlist input.Intxt {
    background-color: #fff;
    border: 1px solid #c6cede;
    height: 26px;
    width: 48px;
    padding-left: 4px;
    text-align: center;
    color: #333;
    border-radius: 3px;
}
.NetWorkWrap .MainCent .MCentlist input.Intxt:focus {
    outline: none;
    border-color: var(--primary-color, #6366f1);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

/* 操作按钮 */
.NetWorkWrap .MainCent .MCentlist input.Inbtn {
    background-color: #f1f9ff;
    border: 1px solid #c6cede;
    height: auto;
    width: auto;
    padding: 5px 14px;
    color: #0474c8;
    white-space: nowrap;
    cursor: pointer;
    border-radius: 3px;
    font-size: 14px;
}
.NetWorkWrap .MainCent .MCentlist input.Inbtn:hover {
    border-color: #a9d6f7;
    background-color: #e6f4ff;
    filter: alpha(opacity=90);
    opacity: 0.9;
}

/* 左右分栏（部分辅助面板用） */
.NetWorkWrap .NetWork-left,
.NetWorkWrap .NetWork-right {
    width: 50%;
    padding: 1%;
    float: left;
    box-sizing: border-box;
}

/* 响应式：窄屏时单列 */
@media (max-width: 768px) {
    .NetWorkWrap .NetWork-left,
    .NetWorkWrap .NetWork-right { width: 100%; float: none; }
    .NetWorkWrap .MainCent .MCentlist { padding-left: 6px; padding-right: 6px; }
    .NetWorkWrap .MainCent .MCentlist input.Intxt { width: 42px; }
}